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Designed for use with 1-1/8" diameter
They are designed to fit a variety of applications
Installing a Speedmaster oil restrictor kit will limit this unnecessary oil flow
Those Speedmaster headers feature 3/8 in
These Speedmaster valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines
3-Bolt Flange Exhaust Header Reducers Designed for use with 1-1/8"Put together your own custom exhaust system with these Speedmaster collector reducers. Reducer assemblies allow you to connect various sized exhaust tubing to your header, minimizing fabrication.
US$ 31.99
US$ 19.99
US$ 69.99
US$ 24.99
